Oh Boy, Was I Wrong About Her

Childhood buddies Hayato and Haruki are reunited when Hayato moves to Tokyo and sees Haruki at his new school.

As the two old friends continue to get reacquainted, Haruki starts teasing Hayato for not owning a cell phone.

Himeko meets Haruki for the first time in years and decides to take her shopping to help update her wardrobe.

Hayato and Haruki go phone shopping together and then Haruki ends up spending the night at Hayato's apartment.

Himeko and Haruki decide to go on a diet, so Hayato starts asking friends for health-conscious recipe ideas.

Hayato steps in when he sees Kazuki trying to make a move on Haruki, who keeps dropping her nice girl facade.

Hayato visits his mother in the hospital and then makes plans with Haruki and Himeko to go somewhere together.

Hayato, Haruki, and Himeko go to the movies as planned but end up catching an unexpected guest along the way.

Haruki opens up about family issues after her rough night and Kazuki keeps trying to stir up drama at school.

Hayato is invited by his classmate Iori to go to the pool with everyone after the exams. He is also asked to invite Haruki, but Haruki doesn't seem very keen on the idea. At the same time, Hayato, Haruki, Himeko, and Saki start communicating in a group chat hosted by Tsukino. Haruki feels uneasy about the heartwarming exchange between Hayato and Saki.

Hayato and Haruki adjust to their new job and the girls shop for new swimsuits to wear on their big pool date.

Hayato and friends enjoy their long-awaited pool day and then take a trip to revisit their roots in Tsukinose.